Free Online Tools For Developers
Check out some of the Tools:
PDF Tools
Modify PDF: Merge, Delete, Rotate, Rearrange Pages
Use this tool to join or merge PDF files into a single PDF document. In addition, you can delete, rotate and rearrange pages in the position you want.
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Split PDF
Divide your PDF document into several parts, either by fixed or customized size. In which each range of pages will be converted into an independent PDF file.
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Number PDF
Add page numbers to your PDF. Define from which number and page you want to start numbering, in addition to choosing the number format and font style.
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PDF to Image
Convert each page of your PDF to an image file in JPG format or extract all the images contained in your PDF to individual JPG files.
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Image Tools
Image Compressor
Compress your images for faster uploads in your websites, emails and social networks, favoring your SEO and Digital Marketing strategies.
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Images Converter
Easily convert your image files from one format to another. You can, for example, use this tool to convert a photo in JPG format to PNG or WEBP and vice versa.
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Base64
Use this tool to convert your images to Base64 format in a simple and easy way. Simply insert an image and click the 'Convert' button.
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Emoji Picker
Choosing Emojis just got a lot easier with this tool. Find Emojis and Twemojis through their categories or keywords.
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Color Tools
Color Picker
Find the ideal colors for your projects in our color and shade palettes. Also find out which colors harmonize with a given color.
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Image Colors
Find out which colors appear most in a given image (JPG, PNG, SVG, WEBP...). Obtain the respective hexadecimal codes of the identified dominant colors.
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Color Converter
Convert one color format to another. Get the codes for a color converted to other color systems, such as RGB to hexadecimal or vice versa, for example.
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Generators
Credit Card
Valid credit card generator for software testing purposes. With the credit card validator you can verify a certain card number.
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CPF (Brazil)
Generate valid CPF numbers with date of birth, both fictitious, for software testing purposes. Validate CPF by analyzing its verifying digits.
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CNPJ (Brazil)
Generate valid CPF numbers with date of birth, both fictitious, for software testing purposes. Validate CPF by analyzing its verifying digits.
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QR Code - Logo
Generate free customized Qr Codes with logo and colors that reflect your brand and attract more customers to your website, profile page or portfolio.
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Barcode
Generate barcodes quickly and easily with this online tool. Use the generated barcode image for label printing..
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Converters
XML to JSON
Use this free tool to easily convert XML data to the equivalent JSON format.
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Number Base
Easily convert numbers from one numeric base to another, like binary to decimal, hexadecimal to binary, decimal to octal, and so on.
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Miscellaneous
Calculate %
Perform percentage calculations quite easily. Just find the sentence that represents your problem (e.g., How much is X% Y?), fill in the fields and you're done.
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CSS Validator
Check if your CSS code contains any syntax errors to be corrected, avoiding styling problems in the layout of your website.
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Email Extractor
To do this, simply insert a text and click the 'Extract' button. This tool will show all emails found, but without repeating them. As for the search result, you can choose to separate emails by comma, line, semicolon or vertical bar (pipe).
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